The errors you're seeing sound like an issue where you updated the artifact but didn't recompile against the newer Scala version. Did you recompile or just replace the Kafka jar with a newer one?
-Ewen On Wed, Nov 9, 2016 at 4:31 PM, Divyajothi Baskaran <dbaska...@expedia.com> wrote: > Hi, > For the past 6 months,I am the dev for our solution written on top of > kafka-0.8.1.1. It is in stable for us. We thought we would upgrade to > kafka-0.9.0.1. > With the server upgrade, we did not face any issues. > > We have our own solution built to extract the messages and write to > different destinations and also messages read by storm. For our unit tests > we were using the following maven artifact > > <groupId>org.apache.kafka</groupId> > > <artifactId>kafka_2.9.2</artifactId> > > <version>0.8.1.1</version> > > > I could not find, 0.9.0.1 version for kafka_2.9.2. Hence I moved to > kafka_2.11 first. This is the artifact used: > > <groupId>org.apache.kafka</groupId> > > <artifactId>kafka_2.11</artifactId> > > <version>0.9.0.1</version> > > > I was running into following issue: > > * scala.ScalaObject not found issue > * java.lang.NoSuchMethodError: scala.Predef$.ArrowAssoc( > Ljava/lang/Object;)Ljava/lang/Object; > * kafkaConfig<init> issue with NoSuchMethodError > (Ljava/util/map;)Ljava/util/map > > Also most of the time, I would run into KafkaServerStartable(both in > kafka_2.10-0.9.0.1 and kafka_2.11-0.9.0.1) hang issue. But with the same > unit tests, I never got into kafka server hang issue with kafka_2.9.2. > > > Could you please help me with my problem ? > > Am I missing anything? > > > Thanks, > > Divya > > -- Thanks, Ewen
